triphenylamine — (|)trī|fenəl, fēn + noun Etymology: International Scientific Vocabulary triphenyl + amine : a crystalline tertiary amine (C6H5)3N that is practically neutral and that is made from diphenylamine, iodobenzene, and copper powder and in other ways *… … Useful english dictionary

Vilsmeier-Haack reaction — The Vilsmeier Haack reaction (also called the Vilsmeier reaction) is the chemical reaction of a substituted amide (1) with phosphorus oxychloride and an activated arene (3) to produce an aryl aldehyde or ketone (5).Ref|Vilsmeier1927Ref|Meth… … Wikipedia